EXO's Kai is preparing to unveil his 4th mini-album titled 'Wait On Me.' Kai recently shared new concept photos with summer vibes, featuring him basking in the sunny weather outdoors.

Ahead of the mini-album release on April 21 at 6 PM KST, Kai dropped a single "Adult Swim" on April 3 as a preview of what fans can expect from the upcoming album.